Examlex
For the following questions, match the key event of meiosis with the stages listed below.
I.Prophase I
V.Prophase II
II.Metaphase I
VI.Metaphase II
III.Anaphase I
VII.Anaphase II
IV.Telophase I
VIII.Telophase II
-Centromeres of sister chromatids disjoin and chromatids separate.
Dominant Gene
An allele that expresses its phenotypic effect even when heterozygous with a recessive allele, determining the characteristic it codes for.
Recessive Gene
A gene that must be present on both chromosomes in a pair to express a recessive trait, unlike a dominant gene where only one is necessary for the trait to be expressed.
Cystic Fibrosis
A genetic disorder that affects the lungs and digestive system, characterized by thick, sticky mucus that can clog airways and trap bacteria.
Spina Bifida
A developmental abnormality that results in the spine and its protective membranes not fully enclosing the spinal cord.
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